Marquise|Lab Grown|IGI

1.54ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG818660764

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818660764

Diamond specifications and retailer prices

From £190 GBP
$254 USD
As of October 30, 2026
Save £786 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £975 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818660764 or 818660764. Listed at 19 retailers as of October 30, 2026, with prices from £190 to £975, a £786 spread on the same certified stone. With Clarity lists it at £975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660764
Dimensions12.42 × 5.99 × 3.56 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.42 mm5.99 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660764
Side View
Table 64.0%Crown 33.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £447 GBP|Low: £181 GBP|High: £975 GBP|Avg: £514 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
With Clarity
November 1, 2026
Retailer 7£190 GBP
Retailer 8£211 GBP
Retailer 4£219 GBP
Retailer 3£234 GBP
Retailer 18£234 GBP
Retailer 16£355 GBP
Retailer 14£393 GBP
Retailer 5£402 GBP
Retailer 15£403 GBP
Retailer 1£447 GBP
Retailer 17£547 GBP
Retailer 11£598 GBP
Retailer 13£736 GBP
Retailer 2£755 GBP
Retailer 9£755 GBP
Retailer 6£793 GBP
Retailer 10£922 GBP
Retailer 12£945 GBP
With Clarity£975 GBP

35 data points across 19 retailers

19 retailers£190 GBP to £975 GBP

A
Cheapest Retailer
-
£190 GBP
$254 USD
A
Retailer 2
-
£211 GBP
$283 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$294 USD
View
A
Retailer 4
-
£234 GBP
$314 USD
View
A
Retailer 5
-
£234 GBP
$314 USD
View
A
Retailer 6
-
£355 GBP
$475 USD
View
A
Retailer 7
-
£393 GBP
$526 USD
View
A
Retailer 8
-
£402 GBP
$539 USD
View
A
Retailer 9
-
£403 GBP
ZAR 8,726 ZAR
View
A
Retailer 10
-
£447 GBP
View
B+
Retailer 11
-
£547 GBP
A$1,127 AUD
View
B+
Retailer 12
-
£598 GBP
$801 USD
View
B+
Retailer 13
-
£736 GBP
A$1,518 AUD
View
B+
Retailer 14
-
£755 GBP
$1,011 USD
View
B+
Retailer 15
-
£755 GBP
SGD 1,367 SGD
View
B+
Retailer 16
-
£793 GBP
$1,062 USD
View
B
Retailer 17
-
£922 GBP
$1,236 USD
View
B
Retailer 18
-
£945 GBP
View
Most Expensive
B
With Clarity
818660764 · Oct 31
£975 GBP
$1,307 USD
View
18 more retailers have this diamond
Prices start from £190 GBPSave up to £786 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.54ct Marquise
£190 GBP